KOMATSU 8V170-1 ENGINE WORKSHOP MANUAL SEBE61700104 PDF
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Komatsu 8V170-1 Series Engine Shop Manual SEBE61700104 – PDF DOWNLOAD
Description
Komatsu 8V170-1 Series Engine Shop Manual SEBE61700104 – PDF DOWNLOAD
FILE DETAILS:
Komatsu 8V170-1 Series Engine Shop Manual SEBE61700104 – PDF DOWNLOAD
Language : English
Pages :333
Downloadable : Yes
File Type : PDF
DESCRIPTION:
Komatsu 8V170-1 Series Engine Shop Manual SEBE61700104 – PDF DOWNLOAD
FOREWORD
- This shop manual has been prepared as an aid to improve the quality of repairs by giving the serviceman an accurate understanding of the product and by showing him the correct way to perform repairs and make judgements. Make sure you understand the contents of this manual and use it to full effect at every opportunity.
- This shop manual mainly contains the necessary technical information for operations performed in
a service workshop. For ease of understanding, the manual is divided into chapters for each main group of components; these chapters are further divided into the following sections.
This section explains the structure and function of each component. It serves not only to
give an understanding of the structure, but also serves as reference material for
troubleshooting.
This section explains checks to be made before and after performing repairs, as well
as adjustments to be made at completion of the checks and repairs.
Troubleshooting charts correlating “Problems” to “Causes” are also included in this section.
This section explains the order to be followed when removing, installing, disassembling
or assembling each component, as well as precautions to be taken for these operations.
This section gives the judgement standards when inspecting disassembled parts.
TABLE OF CONTENTS:
Komatsu 8V170-1 Series Engine Shop Manual SEBE61700104 – PDF DOWNLOAD
COVER 1
CONTENTS 2
01 GENERAL 13
GENERAL VIEW 14
SPECIFICATIONS 15
GENERAL ASSEMBLY DRAWING 16
WEIGHT TABLE 28
ENGINE PERFORMANCE CURVE 29
11 STRUCTURE AND FUNCTION 32
GENERAL STRUCTURE 33
INTAKE AND EXHAUST SYSTEM 35
INTAKE SYSTEM 35
EXHAUST SYSTEM 36
TURBOCHARGER 37
ENGINE BODY 38
CYLINDER HEAD 38
VALVE SYSTEM 40
CYLINDER BLOCK 42
MAIN REVOLVING SYSTEM 43
TIMING GEAR 44
FLYWHEEL AND FLYWHEEL HOUSING 46
LUBRICATION SYSTEM 47
LUBRICATION SYSTEM CHART 47
OIL PUMP 48
OIL FILTER AND SAFETY VALVE 49
OIL COOLER 50
OIL COOLER BYPASS VALVE 51
PISTON COOLING VALVE 51
MECHANICAL PUMP 52
FUEL SYSTEM 53
FUEL SYSTEM CHART 53
FUEL INJECTION PUMP 54
FUEL INJECTION NOZZLE 68
FEED PUMP 69
FUEL INJECTION PUMP DRIVE 72
TIMER 73
FUEL FILTER 76
STARTING AID 77
ENGINE STOP MOTOR 78
COOLING SYSTEM 83
COOLING SYSTEM CHART 83
WATER PUMP 84
WATER PUMP DRIVE 85
FAN DRIVE AND TENSION PULLEY 86
CORROSION RESISTOR 87
THERMOSTAT 88
ACCESSORY 89
AIR COMPRESSOR MOUNTING 89
AIR COMPRESSOR 90
ALTERNATOR WITH REGULATOR 91
STARTING MOTOR 92
12 TESTING AND ADJUSTING 93
COOLING SYSTEM 94
CHECKING AND ADJUSTING ALTERNATOR BELT TENSION 94
ENGINE BODY 96
ADJUSTING VALVE CLEARANCE 96
FUEL SYSTEM 97
TESTING AND ADJUSTING FUEL INJECTION TIMING 97
ADJUSTING FUEL INJECTION TIMING BY DELIVERY CHECK 98
ADJUSTING FUEL INJECTION NOZZLE CRACKING PRESSURE 99
ADJUSTING ENGINE STOP MOTOR CABLE 101
FUEL INJECTION PUMP CALIBRATION DATA103
PERFORMANCE TEST107
RUN-IN STANDARD107
PERFORMANCE TEST CRITERIA108
TESTING AND ADJUSTING TOOL LIST110
TESTING AND ADJUSTING DATA111
TROUBLESHOOTING113
POINTS TO REMEMBER WHEN TROUBLESHOOTING115
METHOD OF USING TROUBLESHOOTING CHART116
S-1 STARTING PERFORMANCE IS POOR (STARTING ALWAYS TAKES TIME)120
S-2 ENGINE DOES NOT START121
① ENGINE DOES NOT TURN121
② ENGINE TURNS BUT NO EXHAUST COMES OUT (FUEL IS NOT BEING INJECTED)122
③ EXHAUST GAS COMES OUT BUT ENGINE DOES NOT START (FUEL IS BEING INJECTED)123
S-3 ENGINE DOES NOT PICK UP SMOOTHLY (FOLLOW-UP IS POOR)124
S-4 ENGINE STOPS DURING OPERATIONS125
S-5 ENGINE DOES NOT ROTATE SMOOTHLY (HUNTING)126
S-6 ENGINE LACKS OUTPUT (NO POWER)127
S-7 EXHAUST GAS IS BLACK (INCOMPLETE COMBUSTION)128
S-8 OIL CONSUMPTION IS EXCESSIVE (OR EXHAUST GAS IS BLUE)129
S-9 OIL BECOMES CONTAMINATED QUICKLY130
S-10 FUEL CONSUMPTION IS EXCESSIVE131
S-11 OIL IS IN COOLING WATER, OR WATER SPURTS BACK, OR WATER LEVEL GOES DOWN132
S-12 OIL PRESSURE LAMP LIGHTS UP (DROP IN OIL PRESSURE)133
S-13 OIL LEVEL RISES134
S-14 WATER TEMPERATURE BECOMES TOO HIGH (OVERHEATING0135
S-15 ABNORMAL NOISE IS MADE136
S-16 VIBRATION IS EXCESSIVE137
13 DISASSEMBLY AND ASSEMBLY138
GENERAL 139
DISASSEMBLY139
WASHING178
WASHING CYLINDER BLOCK180
WASHING CRANKSHAFT181
MEASRUING AND INSPECTION PARTS182
MEASURING PARTS183
MEASURING CURVATURE OF CRANKSHAFT183
MEASURING OUTSIDE DIAMETER OF JOURNAL183
MEASURING DEPTH OF CYLINDER LINER COUNTERBORE184
MEASURING MAIN BEARING BORE184
MEASURING CURVATURE OF CAMSHAFT185
MEASURING OUTSIDE DIAMETER OF JOURNAL185
MEASURING HEIGHT OF CAM185
MEASURING PISTON RING GROOVE186
MEASURING PISTON RING END GAP186
ASSEMBLY187
14 MAINTENANCE STANDARD265
INTAKE AND EXHAUST SYSTEM 266
TURBOCHARGER266
ENGINE BODY267
CYLINDER HEAD267
VALVE AND VALVE GUIDE268
ROCKER ARM SHAFT269
CROSSHEAD270
CAM FOLLOWER AND PUSH ROD271
CYLINDER BLOCK272
CYLINDER LINER274
CAMSHAFT275
CRANKSHAFT276
PISTON278
CONNECTING ROD279
TIMING GEAR280
FLYWHEEL AND FLYWHEEL HOUSING282
LUBRICATION SYSTEM283
OIL PUMP283
MAIN RELIEF VALVE, PISTON COOLING VALVE AND OIL COOLER BYPASS VALVE284
COOLING SYSTEM285
WATER PUMP285
15 REPAIR AND REPLACEMENT OF PARTS286
CYLINDER HEAD287
TESTING AND INSPECTION288
REPAIRING MOUNTING FACE OF CYLINDER HEAD BY GRINDING290
REPLACING VALVE SEAT INSERTS291
REPLACING NOZZLE HOLDER SLEEVE296
REPLACING VALVE GUIDE300
REPLACING CROSS HEAD GUIDE301
GRINDING THE VALVE302
CYLINDER BLOCK303
TESTING AND INSPECTION304
GRINDING THE TOP SURFACE OF CYLINDER BLOCK306
REPLACING MAIN METAL CAP311
REPLACING CAM BUSHING313
CRANKSHAFT314
REPLACING THE CRANKSHAFT321
CONNECTING ROD329
REPLACING CAM GEAR333
REPLACING FLYWHEEL RING GEAR333
IMAGES PREVIEW OF THE MANUAL:
S.M 12/12/24
